1.
AC$ - AutoCAD Temporary File
2.
ACB - AutoCAD Color Book File
3.
ACTM - AutoCAD Action Macro File
4.
ADI - Active@ Disk Image Backup File
5.
ADI - AutoCAD Device-Independent Binary Plotter File
6.
ADT - AutoCAD Audit Log
8.
ARX - AutoCAD Runtime Extension File
9.
ASC - Autodesk ASCII Export File
10.
ASE - Autodesk ASCII Scene Export File
11.
ATC - AutoCAD catalog file
12.
AWS - AutoCAD Work Space File
14.
BK1 - Autodesk Backup File
15.
BLK - AutoCAD Block Template File
16.
BP2 - AutoCAD Batch Plot File
17.
BP3 - AutoCAD Batch Plot File
18.
BPL - AutoCAD Batch Plot File
19.
CAS - Autodesk AutoCAD license file
20.
CDC - AutoCAD DesignCenter Preview Cache File
21.
CGM - Computer Graphics Metafile
22.
CHX - AutoCAD Standards Check File
23.
COF - AutoDesk data file
24.
COL - Capture One Session File
25.
CTB - AutoCAD Color-Based Plot Style File
26.
CUI - Autodesk Custom Workspace File
27.
CUIX - AutoCAD Custom User Interface File
28.
CUS - AutoCAD Custom Dictionary File
29.
DAE - Digital Asset Exchange File
30.
DBX - AutoCAD Database Extension File
31.
DCL - AutoCAD Dialog Definition File
32.
DCT - Dictionary File
33.
DCT - AutoCAD Dictionary File
34.
DEF - Module-Definition File
35.
DFS - AutoCAD utility defaults file format
36.
DFX - Drafix CAD File
37.
DGN - MicroStation Design File
38.
DSD - AutoCAD Drawing Set Description File
39.
DWF - Design Web Format File
40.
DWFX - Design Web Format XPS File
41.
DWG - AutoCAD Drawing Database File
42.
DWL - TurboCAD Drawing Lock File
43.
DWS - AutoCAD Drawing Standards File
44.
DWT - AutoCAD Drawing Template
45.
DWZ - Compressed AutoCAD drawing file
46.
DXB - Drawing Exchange Binary
47.
DXE - AutoCAD Data Extraction Template
48.
DXF - Drawing Exchange Format File
49.
DXX - AutoCAD Drawing Interchange Attribute File
50.
ERR - AutoCAD Error Log File
51.
FAS - Compiled Fast-Load AutoLISP File
52.
FBX - Autodesk FBX Interchange File
53.
FDC - AutoCAD Field Catalog File
54.
FMP - AutoCAD Font Map File
55.
HDX - Delphi MultiHelp Index File
57.
IFC - Industry Foundation Classes File
59.
IGS - IGES Drawing File
60.
IRF - Autodesk Impression drawing file
61.
LIN - AutoCAD Linetype File
62.
LSP - Lisp Program Source Code File
63.
M3G - Mobile 3D Graphics Program
64.
MNC - AutoCAD compiled menu file
65.
MNL - AutoCAD Menu LISP File
66.
MNR - AutoCAD Menu Resource File
67.
MNS - AutoCAD Interface Settings File
68.
MNU - AutoCAD Interface Layout File
69.
MVI - AutoCAD Movie Command File
70.
NFL - AutoCAD multiline filter list
71.
OBJ - Wavefront 3D Object File
72.
PAT - AutoCAD Hatch Pattern File
74.
PC3 - AutoCAD Plotter Configuration File
75.
PFB - Printer Font Binary File
76.
PGP - AutoCAD Program Parameters File
77.
PLT - AutoCAD Plotter Document
79.
PLY - Polygon Model File
80.
PMP - AutoCAD Plot Model Parameter File
82.
PSF - AutoCAD PostScript Patterns File
83.
PSS - AutoCAD Plot Stamp Settings File
84.
PTW - AutoCAD Publish To Web File
85.
PWT - AutoCAD Publish To Web Template
86.
RML - Redline Markup Language File
87.
RND - AutoCAD Autoshade rendering slide file
88.
SAB - ACIS SAB Model File
89.
SAT - ACIS SAT 3D Model File
92.
SHX - AutoCAD Compiled Shape File
93.
SLD - AutoCAD Slide File
94.
STB - AutoCAD Plot Style Table File
96.
STP - STEP 3D CAD File
97.
SV$ - AutoCAD Automated Backup File
98.
UNT - AutoCAD Unit Definition File
99.
VLX - Compiled AutoLISP File
100.
XTP - AutoCAD Exported Tool Palettes File